Unit6SectionB-1ClassTypeListeningandspeakingObjectives1.Tounderstandanddescribehowfoodcantaste.2.Tolearnthehistoryofpotatochipsbylisteningcarefully.3.Topracticetalkingabouttheinventionofpotatochips.Keystructure1.Thecustomerwashappyintheend.2.Doyouknowhowpotatochipswereinvented?3.Didyouknowpotatochipswereinventedbymistake?—Wow,Ididn’tknowthat.Whoinventedthem?DifficultiesHowtounderstandandtalkingabouttheinventionofpotatochips.VocabularyFridge,low,somebody,translate,lock,earthquake,sudden,bell,biscuit,cookie,musical,instrument,sour,customerbebroughtto,allofasudden,morethan,bymistakePeriods1ProcedureLead-inRevision.AskSstotranslatesomekeyphrasesintoChinese.Step1Discussion.ShowSssomepicturesaboutthedeliciousfoodandletSslistsomefoodwiththesametasty.Step2FreeTalk.AskSsthequestions:1.Doyoulikeeatingpotatochips?2.Whichkindoftastedoyoulike?3.Doyouknowhowtheywereinvented?Step3Activity1c.ListenandcircleTorF.Step4Listenagainandanswersomequestions.Step5Activity1d.Listenagainandthencompletethesentences.Step6Pairworks.LetSsmakeconversationsabouttheinventionofpotatochips.E.g.:A:Didyouknowpotatochipswereinventedbymistake?B:Wow,Ididn’tknowthat.Whoinventedthem?A:...Step7Brainstorm.IntroducetoSshowsomefoodwasinvented,likesandwich,post-itnotes,andcornflakes.Step8Freetalk.AskSstotalkaboutotherfoodtheyknowandhowweretheyinvented?Step9Languagepoints:explainthekeywordsandphrasesinsectionB-1.Step10Examplesandexercisesaboutthelanguagepoints.